Home / 18,398.36-25,390.21-10,332.66

Finding the Fourth Proportional to 18,398.36, 25,390.21 and 10,332.66

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Solution

The fourth proportional to 18,398.36, 25,390.21 and 10,332.66 is: 14,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398.36 : 25,390.21 = 10,332.66 : x
  2. Step 2: Convert to fraction form
    18,398.36/25,390.21 = 10,332.66/x
  3. Step 3: Cross multiply
    18,398.36x = 25,390.21 × 10,332.66
  4. Step 4: Simplify right side
    18,398.36x = 262,348,395.54
  5. Step 5: Solve for x
    x = 262,348,395.54/18,398.36
  6. Step 6: Final answer
    x = 14,259.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.